0,3
Cf. A042168.
Sequence in context: A073049 A064234 A037102 this_sequence A041785 A157848 A046104
Adjacent sequences: A042166 A042167 A042168 this_sequence A042170 A042171 A042172
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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